WO2009102219A1 - Fabrication d'éléments structurels isolés et porteurs - Google Patents

Fabrication d'éléments structurels isolés et porteurs Download PDF

Info

Publication number
WO2009102219A1
WO2009102219A1 PCT/NO2009/000053 NO2009000053W WO2009102219A1 WO 2009102219 A1 WO2009102219 A1 WO 2009102219A1 NO 2009000053 W NO2009000053 W NO 2009000053W WO 2009102219 A1 WO2009102219 A1 WO 2009102219A1
Authority
WO
WIPO (PCT)
Prior art keywords
casting mould
arrangement
casting
moulds
station
Prior art date
Application number
PCT/NO2009/000053
Other languages
English (en)
Inventor
Johannes Haumann Sund
Per Knut MØLSTAD
Original Assignee
Mjøscon As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mjøscon As filed Critical Mjøscon As
Priority to EP09709899.0A priority Critical patent/EP2257679A4/fr
Publication of WO2009102219A1 publication Critical patent/WO2009102219A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • B29C37/0007—Discharging moulded articles from the mould using means operable from outside the mould for moving between mould parts, e.g. robots
    • B29C37/001—Discharging moulded articles from the mould using means operable from outside the mould for moving between mould parts, e.g. robots combined with means for loading preforms to be moulded or inserts, e.g. preformed layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/04—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles using movable moulds not applied
    • B29C39/06—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles using movable moulds not applied continuously movable, e.g. along a production line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/388—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length into moving moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/14—Wood, e.g. woodboard or fibreboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/10—Building elements, e.g. bricks, blocks, tiles, panels, posts, beams

Definitions

  • the present invention relates to a method and an arrangement for manufacturing elongate elements, for example load-bearing structural elements such as wall bearers, beams, rafters or the like, where these structural elements are manufactured in a continuous process.
  • load-bearing structural elements such as wall bearers, beams, rafters or the like
  • Wood has traditionally been considered to have good insulating properties, but compared with today's modern insulating materials used in houses and buildings, it will be less able to prevent heat transmission. The result is that a substantial heat loss occurs in a house or a building through wall bearers, beams, rafters or the like.
  • a composite structural element forms the framework of a building.
  • the element comprises two wooden beams with a layer of polyurethane foam disposed between them.
  • the wooden beams are placed at intervals on a production belt.
  • the polyurethane foam will fill in the space between the wooden beams.
  • An object of the present invention will be to provide an arrangement for manufacturing elongate elements, where the elongate elements can be manufactured by means of a continuous manufacturing process.
  • a further object of the present invention will be to provide an arrangement for manufacturing elongate elements.
  • a further object of the present invention will be to provide an elongate element whereby less timber is employed in the manufacture thereof.
  • the present invention relates to an arrangement for manufacturing elongate elements, where the arrangement comprises a number of casting moulds which form an angle with a horizontal plane and where the casting moulds are furthermore arranged in the form of a ring on a base, which base is arranged to rotate past two or more work stations.
  • the base may be arranged to rotate stepwise or continuously.
  • Each casting mould comprises a box-like part and a lid, where at one end of the casting mould there is further provided a filling device for supplying a filler material.
  • the filling device is advantageously mounted at the lower end of the casting mould when the casting mould is installed in the arrangement.
  • the casting mould's box-like part is adjustable in width, length and height direction.
  • the base in the arrangement is driven by means of belt drive, toothed drive or the like.
  • extendable stay bars are provided, which stay bars are connected to the upper part of the casting mould.
  • the arrangement comprises a work station A, which constitutes an input station, a work station B, which constitutes a filling station and a work station C, which constitutes an output station.
  • the present invention also relates to a method for manufacturing elongate elements, where the method comprises the following steps:
  • Figure 1 shows details of a casting mould employed for manufacturing elongate elements, where the casting mould is one of a number of similarly arranged casting moulds in a circular shape forming a "carousel”
  • Figure 2 illustrates an arrangement for manufacturing elongate elements according to the present invention, where the arrangement comprises a number of casting moulds forming an angle with the horizontal plane and different processing stations placed round the "carousel”
  • Figure 3 is a principle drawing of the arrangement for manufacturing elongate elements according to the present invention, viewed from above, and
  • FIG 4 is a principle view of a complete production plant, where the various work processes are indicated.
  • a casting mould 1 is illustrated which is employed in the arrangement for manufacturing elongate elements according to the present invention, where the casting mould 1 is shown in an open condition, and where a ready-manufactured elongate element 2 is located in the casting mould 1.
  • the elongate element 2 is fashioned from two wooden flanges 3 which are placed at a distance apart, whereupon the space between the wooden flanges 3 is filled with a filler material 4.
  • the filler material 4 is polyurethane
  • the manufactured elongate element 2 is a load-bearing and insulating structural element.
  • a load-bearing structural element is provided where a complete static integration is achieved between the wooden flanges 3 and the filler material 4.
  • the casting mould 1 comprises a box-like part 5 and a lid 6, these being interlocked by means of locking devices 7. Suitable locking devices 7 may, for example, be lock bolts, lock screws etc.
  • the wooden flanges 3 are firstly placed in the box-like part 5 of the casting mould 1.
  • the wooden flanges 3 are secured in a non-illustrated manner (for example by suction cups or by mechanical means) in the box-like part 5 so as to prevent them from moving when the casting mould 1 is closed and/or moved.
  • the casting mould 1 moreover is adjustable in width, length and height direction, thereby enabling structural elements of different dimensions to be manufactured.
  • the casting mould 1 When the casting mould 1 is closed and locked by the locking devices 7, the casting mould will be pressurised, thereby forming an airtight cavity, and a filler material 4 is applied at the lower end of the casting mould 1, this being accomplished automatically by a robot (see also figure 2) at a processing or work station.
  • the casting moulds 1 are arranged so as to form an angle with the horizontal plane, it will be advantageous to fill from the lower end of the casting mould 1 as this ensures a complete filling of the gap between the two wooden flanges 3; the casting mould 1 is also provided with one or more "air holes” (not shown) at the opposite end of the filling of filler material, thereby permitting "excess” filler material 4 to flow out through the "air holes", and also causing any air located in the casting mould 1 to be expelled from the casting mould 1.
  • the filler material 4 will begin its foaming process the moment it is added to the casting mould, and when the space between the wooden flanges 3 is completely filled up, the casting mould 1 will be pressurised.
  • the casting moulds 1 may also be arranged so as to be able to secure more than two wooden flanges 3, thereby permitting an elongate element 2 to be manufactured from several layers or strata of solid material and thereby also several layers of filler material 4.
  • the casting moulds 1 may be arranged so as to be able to be fitted in the casting mould's 1 width direction, thus enabling the thickness of the filler material 4 to also be varied.
  • an arrangement 8 is illustrated for manufacturing elongate elements 2, where the arrangement comprises a circular base plate 9, on which base plate 9 a stay bar 10 is mounted for the casting moulds 1. At their lower ends the casting moulds 1 are pivotably mounted round the base plate's 9 circumference and at their upper part they are pivotably attached to the stay bars 10.
  • the stay bars 10 are designed to suit several different dimensions of the casting moulds 1. Since the stay bars 10 are extendable in a preferred embodiment, the angle which the casting moulds 1 form with the horizontal plane will be able to be changed.
  • the circular base plate 9 is further arranged, for example, to be able to rotate in the direction of the arrow R, but may also be arranged to be able to rotate in both directions.
  • the circular base plate 9 may be rotated by means of belt drive, toothed drive, etc.
  • an outlet (not shown) for power, pneumatics/hydraulics etc. may be provided, to which outlet the casting moulds 1 can be connected.
  • FIGS 2 and 3 moreover an embodiment is illustrated of the arrangement 8 for manufacturing elongate elements 2, where the arrangement 8 comprises 16 casting moulds 1 arranged on the circular base plate 9. It should be understood, however, that any number of casting moulds 1 may be employed, this number depending on which dimensions (length/width) the elements that have to be manufactured have.
  • the casting moulds 1 are furthermore only attached at their lower and upper ends to the base plate 9 and the stay bars 10 respectively, resulting in ease of replacement and/or maintenance of the individual casting moulds 1. This will also provide a more flexible solution when, for example, a new product with different dimensions has to be manufactured. In this case the "old" casting moulds 1 will be removed and the "new” ones installed, thereby enabling the arrangement 9 to manufacture elongate elements 2 in other dimensions and/or shapes.
  • Station A comprises a store of different wood blanks and loading can be conducted manually or automatically by robot.
  • the wooden flanges 3 used in manufacture may be rectangular or square when viewed in cross section in the wooden flange's 3 longitudinal direction, but may be of any shape whatever.
  • the wooden flanges 3 may be provided with one or more recesses in the wooden flange's 3 longitudinal direction in order for the filler material 4 to achieve better bonding with the wooden flanges 3.
  • a filler material 4 from a robot will be added to the lower end of the casting mould 1 , thereby ensuring that air located in the casting mould 1 is expelled from the mould. Excess filler material 4 will trickle out through one or more "air holes” provided near the upper end of the casting mould 1, whereupon this/these "air hole(s)" are sealed with a plug.
  • the casting mould 1 is then pressurised and heat possibly applied, thereby causing the filler material 4 to set.
  • the "carousel” will then be rotated stepwise towards a station C, where the ready-manufactured elongate element 2 is removed.
  • a preferred production plant is illustrated in figure 4, where two "carousels" can be seen using the arrangement 8.
  • a work station B comprising a machine for filler material 4 which thereby supplies the filler 4 to each of the "carousels".
  • the plant will comprise two work stations A, to which work stations A wood is supplied.
  • a robot A placed between the "carousel” and a conveyor belt T will control both input and output of the "carousel”.
  • the robot A will place the structural element on the conveyor belt T, whereby the structural element is sent on to a temporary store M.
  • the ready-manufactured structural elements may either be packed for dispatch to the customer or they may be sent for further processing, for example to a finger jointing machine or the like and subsequently for packing and dispatch.

Abstract

L'invention concerne une machine conçue pour être utilisée pour fabriquer des éléments structurels allongés, par exemple des supports de murs, des poutres, des arbalétriers ou éléments analogues. Les éléments structurels sont fabriqués selon un processus continu, la machine comprenant plusieurs moules de coulée qui sont agencés sous la forme d'un cercle, formant un angle avec le plan horizontal, ce « carrousel » guidant les moules de coulée respectifs vers les différentes stations de travail. Dans un mode de réalisation préféré, la machine comprend un cycle avec trois stations ; à la station A, une découpe en bois entrant dans le moule de coulée et le fermant est réalisée ; un matériau de remplissage liquide est amené au moule de coulée de la station B ; ensuite le séchage/durcissage des éléments est réalisé sur le trajet de la station C, le moule de coulée s'ouvrant et le produit fini étant retiré.
PCT/NO2009/000053 2008-02-12 2009-02-12 Fabrication d'éléments structurels isolés et porteurs WO2009102219A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09709899.0A EP2257679A4 (fr) 2008-02-12 2009-02-12 Fabrication d'éléments structurels isolés et porteurs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20080762 2008-02-12
NO20080762A NO328025B1 (no) 2008-02-12 2008-02-12 Fremgangsmate og arrangement for fremstilling av langstrakte elementer

Publications (1)

Publication Number Publication Date
WO2009102219A1 true WO2009102219A1 (fr) 2009-08-20

Family

ID=40957143

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2009/000053 WO2009102219A1 (fr) 2008-02-12 2009-02-12 Fabrication d'éléments structurels isolés et porteurs

Country Status (3)

Country Link
EP (1) EP2257679A4 (fr)
NO (1) NO328025B1 (fr)
WO (1) WO2009102219A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017055562A1 (fr) * 2015-10-02 2017-04-06 Weeke Bohrsysteme Gmbh Dispositif de formation de pièces additionnelles

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA933715A (en) 1970-06-26 1973-09-18 Schilke Waldemar Apparatus and method for molding polyurethane articles
GB1335496A (en) * 1972-01-26 1973-10-31 Dumont & Besson Prefabricated construction panels
WO1981000585A1 (fr) * 1979-08-23 1981-03-05 Larsson B Poutre en bois de construction
CA1224322A (fr) 1984-04-16 1987-07-21 John Fehr Element composite pour le batiment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA933715A (en) 1970-06-26 1973-09-18 Schilke Waldemar Apparatus and method for molding polyurethane articles
GB1335496A (en) * 1972-01-26 1973-10-31 Dumont & Besson Prefabricated construction panels
WO1981000585A1 (fr) * 1979-08-23 1981-03-05 Larsson B Poutre en bois de construction
SE437391B (sv) 1979-08-23 1985-02-25 Larsson Bertil Forfarande for tillverkning av treregel
CA1224322A (fr) 1984-04-16 1987-07-21 John Fehr Element composite pour le batiment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2257679A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017055562A1 (fr) * 2015-10-02 2017-04-06 Weeke Bohrsysteme Gmbh Dispositif de formation de pièces additionnelles
US10723038B2 (en) 2015-10-02 2020-07-28 Homag Bohrsysteme Gmbh Device for forming add-on parts

Also Published As

Publication number Publication date
EP2257679A4 (fr) 2016-06-01
NO328025B1 (no) 2009-11-09
NO20080762L (no) 2009-08-13
EP2257679A1 (fr) 2010-12-08

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